/Engine/Source/Editor/PropertyEditor/Public/SDetailsSplitter.h
The system calls this method to notify the widget that a mouse moved within it. This event is bubbled.
Whether the event was handled along with possible requests for the system to take action.
virtual [FReply](API\Runtime\SlateCore\Input\FReply) OnMouseMove ( const [FGeometry](API\Runtime\SlateCore\Layout\FGeometry) & MyGeometry, const [FPointerEvent](API\Runtime\SlateCore\Input\FPointerEvent) & MouseEvent )